Crawl space door and frame with interior flange

Details Crawl space door and frame with interior flange Crawl space door and frame with interior flange

1999-09-25

2001-09-25

Zarfas, Louis S. (Department: 2914)

Building units and construction elements

Prefabricated unit

Closure

Design Patent

active

D0448489

CLAIM:
The ornamental design for a crawl space door and frame with interior flange, as shown and described.

REFERENCES:
patent: D. 302311 (1989-07-01), Buck
patent: D. 372104 (1996-07-01), Scott
patent: D. 374486 (1996-10-01), Guin
patent: D. 407500 (1999-03-01), Gribble
patent: 2752844 (1956-07-01), Simblest
patent: 3220079 (1965-11-01), Aggson
patent: 4656797 (1987-04-01), Marquart
patent: 5062247 (1991-11-01), Dittmer
patent: 6079475 (2000-06-01), Morgan et al.

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